We have three online programs: iXL, Typing Club, and Sumdog. We spend time weekly during class on each of these.
Note that the first six items are each module's homework pages. The last six items are each module's in-class problem set.
Module 1
Module 2
Module 3
Module 4
Module 5
Module 6
Life Stats
Original Alchemy site
Wonders of Street View
Space Elevator
The Deep Sea
The Size of Space
Who Was Alive?